1961 AC Ace vs. 1952 Alvis TB 21
To start off, 1961 AC Ace is newer by 9 year(s). Which means there will be less support and parts availability for 1952 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1952 Alvis TB 21 would be higher. At 2,992 cc (6 cylinders), 1952 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1961 AC Ace (100 HP @ 5500 RPM) has 9 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 1961 AC Ace should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 24 more torque (in Nm) than 1961 AC Ace. (180 Nm @ 2000 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1961 AC Ace.
Compare all specifications:
| 1961 AC Ace | 1952 Alvis TB 21 | |
| Make | AC | Alvis |
| Model | Ace | TB 21 |
| Year Released | 1961 | 1952 |
| Engine Position | Front | Front |
| Engine Size | 2553 cc | 2992 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 91 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 180 Nm | 204 Nm |
| Torque RPM | 2000 RPM | 2200 RPM |
| Engine Bore Size | 82.6 mm | 84 mm |
| Engine Stroke Size | 79.5 mm | 90 mm |
| Engine Compression Ratio | 7.8:1 | 7.1:1 |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Length | 3860 mm | 4430 mm |
| Vehicle Width | 1490 mm | 1680 mm |
| Wheelbase Size | 2290 mm | 2750 mm |
